Ecology Review Questions

1
Ecology ReviewQuestions
2
Multiple Choice

• The natural world that surrounds an organism is
  called the organisms
• a. energy
• b. environment
• c. lodgings
• d. nutrients

3
Multiple Choice

• The study of how living things interact is
  called
• a. ecosystems
• b. abiotic factors
• c. ecology
• d. the energy pyramid

4
Multiple Choice

• The source of energy for almost all life on Earth
  is
• a. fungi
• b. animals
• c. water
• d. sunlight

5
Multiple Choice

• An example of a biotic factor in a forest
  ecosystem is
• a. waterfall
• b. cliff
• c. a tree
• d. a rock

6
Multiple Choice

• An ecosystem is made up of
• a. living things only
• b. physical environment only
• c. living things and the physical
  environment
• d. living things and decaying matter

7
Multiple Choice

• In an energy pyramid, the bottom level
  represents
• a. consumers
• b. producers
• c. scavengers
• d. decomposers

8
Multiple Choice

• An example of a consumer in a pond ecosystem is
• a. a water lily
• b. algae
• c. a reed
• d. a frog

9
Multiple Choice

• Which of these food chains is in the correct
  order?
• a. caterpillar, cattail, frog, water snake
• b. cattail, caterpillar, frog, water snake
• c. water snake, frog, caterpillar, cattail
• d. cattail, frog, caterpillar, water snake

10
Multiple Choice

• Ecology is the study of how
• a. the physical environment changes over
  time
• b. biotic factors change over time
• c. matter interacts with energy in our
  environment
• d. living things interact with each other
  and their environment

11
Multiple Choice

• An example of a biotic factor in a pond ecosystem
  is
• a. temperature
• b. water
• c. fish
• d. sunlight

12
Multiple Choice

• An example of a producer is a
• a. fungus
• b. caterpillar
• c. bird
• d. moss

13
Multiple Choice

• Both consumers and producers are a source of food
  for
• a. scavengers
• b. decomposers
• c. carnivores
• d. herbivores

14
Multiple Choice

• In an energy pyramid, the lowest level has
• a. less energy than the top level
• b. less energy than the second level
• c. more energy than the top level
• d. the same amount of energy as the second
  level

15
Multiple Choice

• A scientist who studies the interactions of
  plants and animals is called
• a. a physicist
• b. a botanist
• c. a geologist
• d. an ecologist

16
Multiple Choice

• A food chains shows
• a. one possible pathway for energy
• b. many possible pathways for energy
• c. the amount of energy available to a
  producer
• d. the amount of energy available to a
  consumer

17
Multiple Choice

• Decomposers are important to ecosystems because
  they
• a. are at the highest level of the energy
  pyramid
• b. change simple compounds into more complex
  ones
• c. make nutrients available for producers to
  reuse
• d. convert light energy into sugars through
  photosynthesis

18
Multiple Choice

• Which of the following factors in an ecosystem is
  biotic?
• a. insects
• b. soil
• c. water
• d. sunlight

19
Multiple Choice

• Two abiotic factors that affect an ecosystem are
• a. temperature and animals
• b. plants and animals
• c. water and bacteria
• d. soil and water

20
Multiple Choice

• Two examples of decomposers are
• a. fungi and bacteria
• b. algae and marine mammals
• c. carnivores and herbivores
• d. ferns and mosses

21
Multiple Choice

• A caterpillar eats a leaf, and a bird eats the
  caterpillar. In this interaction, the bird is a
• a. producer
• b. herbivore
• c. primary consumer
• d. secondary consumer

22
Multiple Choice

• How is a food web model different from a food
  chain?
• a. In a web, energy moves from an organism
  to only one other.
• b. In a web, energy may move to many
  organisms from one.
• c. In a web, an organism gets energy from
  one source.
• d. In a web, an organism receives less
  energy than in a chain.

23
Multiple Choice

• When a rabbit population in a meadow cannot grow
  any larger, it has reached the
• a. climax community
• b. carrying capacity
• c. limiting factor
• d. minimum size

24
Multiple Choice

• Which list of terms is in the correct order, from
  simplest to most complex?
• a. organism, community, population,
  ecosystem, biome
• b. organism, population, community, biome,
  ecosystem
• c. organism, population, community,
  ecosystem, biome
• d. organism, community, ecosystem,
  population, biome

25
Multiple Choice

• A population of rabbits is at its carrying
  capacity when the population
• a. reproduces
• b. becomes extinct
• c. stops growing
• d. cant survive

26
Multiple Choice

• An unusually cold winter causes the squirrel
  population to decrease. This is an example of
  temperature as a
• a. carrying capacity
• b. limiting factor
• c. climax community
• d. pattern in space

27
Multiple Choice

• All the living things in a meadow and the
  physical environment around them make up the
  meadows
• a. community
• b. population
• c. ecosystem
• d. niche

28
Multiple Choice

• A crab lives on a beach where it gets food,
  shelter, and space to live. The beach is the
  crabs
• a. niche
• b. community
• c. habitat
• d. home

29
Multiple Choice

• All the leopard frogs in a pond make up the
  ponds leopard frog
• a. population
• b. niche
• c. habitat
• d. ecosystem

30
Multiple Choice

• Biodiversity is a measure of the
• a. variety of nonliving things within an
  ecosystem
• b. amount of resources shared by the human
  population.
• c. Variety of species within an ecosystem.
• d. Amount of renewable resources within an
  ecosystem.

31
Multiple Choice

• Biotic factors in an ecosystem may include
• a. bacteria, soil, and water
• b. plants, animals, and bacteria
• c. temperature, water, and soil
• d. animals, fungi, and temperature

32
Multiple Choice

• An animal that eats only plants is a
• a. primary consumer
• b. secondary consumer
• c. tertiary consumer
• d. primary producer

33
Multiple Choice

• An example of a biotic factor is
• a. soil
• b. a rock
• c. water
• d. a tree

34
Multiple Choice

• A snake that eats an insect-eating frog is a
• a. primary consumer
• b. secondary consumer
• c. tertiary consumer
• d. primary producer

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Fill in the Blank

• A(n) ___________________________ is made up of
  both living things and the physical environment.
• An ecosystem is made up of both living things and
  the physical environment.

36
Fill in the Blank

• __________________________ is the study of how
  living things interact with each other and their
  environment.
• Ecology is the study of how living things
  interact with each other and their environment.

37
Fill in the Blank

• Living things in an ecosystem are
  ________________________ factors.
• Living things in an ecosystem are biotoic factors.

38
Fill in the Blank

• Nonliving things in an ecosystem are
  __________________________ factors.
• Nonliving things in an ecosystem are abiotioc
  factors.

39
Fill in the Blank

• The __________________________ of an environment
  is the maximum population that it can support.
• The carrying capacity of an environment is the
  maximum population that it can support.

40
True or False?

• Organisms in soil are an example of abiotic
  factors.
• FALSE

41
True or False?

• The amount of light available in an ecosystem
  affects the types and amount of plant life that
  will grow there.
• TRUE

42
True or False?

• Plants use energy to make sugars through
  photosynthesis.
• TRUE

43
True or False?

• An ecosystem is composed of biotic factors.
• FALSE
• Biotic factors AND abiotic factors.

44
True or False?

• In a species, the organisms offspring must be
  able to breed.
• TRUE

45
True or False?

• The same niche in a habitat may be occupied by
  more than one species.
• TRUE

46
Matching

• _____ Producer a. made up of many overlapping
  food chains
• _____Consumer b. organism that converts heat or
  light energy into chemical energy
• _____Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• _____Food Chain d. organism that gets its energy
  by eating plants or animals
• _____Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____Energy Pyramid f. organism that breaks down
  dead plants and animals into simpler compounds

47
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• _____Consumer b. organism that converts heat or
  light energy into chemical energy
• _____Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• _____Food Chain d. organism that gets its energy
  by eating plants or animals
• _____Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____Energy Pyramid f. organism that breaks down
  dead plants and animals into simpler
  compounds
• A producer is an organism that converts heat or
  light energy into chemical energy.

48
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• __D__ Consumer b. organism that converts heat or
  light energy into chemical energy
• _____ Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• _____ Food Chain d. organism that gets its
  energy by eating plants or animals
• _____ Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____ Energy Pyramid f. organism that breaks
  down dead plants and animals into simpler
  compounds
• A consumer is an organism that gets its energy by
  eating plants or animals.

49
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• __D__ Consumer b. organism that converts heat or
  light energy into chemical energy
• __F__ Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• _____ Food Chain d. organism that gets its
  energy by eating plants or animals
• _____ Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____ Energy Pyramid f. organism that breaks
  down dead plants and animals into simpler
  compounds
• A decomposer is an organism that breaks down dead
  plants and animals into simpler compounds.

50
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• __D__ Consumer b. organism that converts heat or
  light energy into chemical energy
• __F__ Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• __E__ Food Chain d. organism that gets its
  energy by eating plants or animals
• _____ Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____ Energy Pyramid f. organism that breaks
  down dead plants and animals into simpler
  compounds
• A food chain shows one set of feeding
  relationships between a producer and several
  consumers.
• .

51
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• __D__ Consumer b. organism that converts heat or
  light energy into chemical energy
• __F__ Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• __E__ Food Chain d. organism that gets its
  energy by eating plants or animals
• __A__ Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• _____ Energy Pyramid f. organism that breaks
  down dead plants and animals into simpler
  compounds
• A food web is made up of many overlapping food
  chains.

52
Matching

• __B__ Producer a. made up of many overlapping
  food chains
• __D__ Consumer b. organism that converts heat or
  light energy into chemical energy
• __F__ Decomposer c. shows how energy is lost as
  it is transferred up the food chain
• __E__ Food Chain d. organism that gets its
  energy by eating plants or animals
• __A__ Food Web e. shows one set of feeding
  relationships between a producer and several
  consumers
• __C__ Energy Pyramid f. organism that breaks
  down dead plants and animals into simpler
  compounds
• An energy pyramid shows how energy is lost as it
  is transferred up the food chain.

53
Matching

• _____ It surrounds all living things
• _____All living organisms need it
• _____It gives Earth most of its energy
• organism
• Energy
• The ocean
• Environment
• The Sun

54
Matching

• __D__ It surrounds all living things
• _____All living organisms need it
• _____It gives Earth most of its energy
• organism
• Energy
• The ocean
• Environment
• The Sun

55
Matching

• __D__ It surrounds all living things
• __B__All living organisms need it
• _____It gives Earth most of its energy
• organism
• Energy
• The ocean
• Environment
• The Sun

56
Matching

• __D__ It surrounds all living things
• __B__All living organisms need it
• __E__It gives Earth most of its energy
• organism
• Energy
• The ocean
• Environment
• The Sun

57
Matching

• _____ Two organisms try to get the same thing in
  a relation
• _____ Two organisms benefit in a relationship
• _____ The role a species fills in a habitat
• a. niche
• b. habitat
• c. parasitism
• d. competition
• e. mutualism

58
Matching

• __D__ Two organisms try to get the same thing in
  a relation
• _____ Two organisms benefit in a relationship
• _____ The role a species fills in a habitat
• a. niche
• b. habitat
• c. parasitism
• d. competition
• e. mutualism

59
Matching

• __D__ Two organisms try to get the same thing in
  a relation
• __E__ Two organisms benefit in a relationship
• _____ The role a species fills in a habitat
• a. niche
• b. habitat
• c. parasitism
• d. competition
• e. mutualism

60
Matching

• __D__ Two organisms try to get the same thing in
  a relation
• __E__ Two organisms benefit in a relationship
• __A__ The role a species fills in a habitat
• a. niche
• b. habitat
• c. parasitism
• d. competition
• e. mutualism

61
Matching

• _____ Something from the environment that
  humans use
• _____ Number of people in a given area
• _____ The variety of life in an ecosystem
• a. pollution
• b. population density
• c. natural resource
• d. Invasive species
• e. biodiversity

62
Matching

• __C__ Something from the environment that
  humans use
• _____ Number of people in a given area
• _____ The variety of life in an ecosystem
• a. pollution
• b. population density
• c. natural resource
• d. Invasive species
• e. biodiversity

63
Matching

• __C__ Something from the environment that
  humans use
• __B__ Number of people in a given area
• _____ The variety of life in an ecosystem
• a. pollution
• b. population density
• c. natural resource
• d. Invasive species
• e. biodiversity

64
Matching

• __C__ Something from the environment that
  humans use
• __B__ Number of people in a given area
• __E__ The variety of life in an ecosystem
• a. pollution
• b. population density
• c. natural resource
• d. Invasive species
• e. biodiversity

65
What do the arrows in the food web
represent? The flow of energy within the food
web.
66
List two producers and three consumers in the
food web. Producers rosebush, oak tree,
grass Consumers deer, wolf, rabbit, squirrel
caterpillar, frog, sparrow, snake, hawk
67
Draw one food chain that includes the
sparrow. rose bush caterpillar sparrow -
hawk rose bush - caterpillar - sparrow -
snake oak tree - caterpillar - sparrow -
hawk oak tree - caterpillar - sparrow -
snake grass - caterpillar - sparrow -
hawk grass - caterpillar - sparrow -
snake
68

• Good Luck
• on the Test!
• Remember
• to
• Study!